<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!-- 引入vue的js文件-->
    <script src="../js/vue.js"></script>
</head>
<body>
<div id="app">

</div>

<script>
    let v = new Vue({
        el:"#app",
        data:{

        }
    })
</script>

</body>
</html>